Finding the Fourth Proportional to 724,917.24, 1,000,358.11 and 402,648
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Solution
The fourth proportional to 724,917.24, 1,000,358.11 and 402,648 is: 555,638.86
Step by Step Solution
- Step 1: Write the proportion equation
724,917.24 : 1,000,358.11 = 402,648 : x - Step 2: Convert to fraction form
724,917.24/1,000,358.11 = 402,648/x - Step 3: Cross multiply
724,917.24x = 1,000,358.11 × 402,648 - Step 4: Simplify right side
724,917.24x = 402,792,192,275.28 - Step 5: Solve for x
x = 402,792,192,275.28/724,917.24 - Step 6: Final answer
x = 555,638.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.